| Member Name |
Description |
| HardBounce |
The server was unable to deliver your message (ex: unknown user, mailbox not
found) |
| Transient |
The server couldn't temporarily deliver your message |
| Unsubscribe |
Unsubscribe or Remove request |
| Subscribe |
Subscribe request from someone wanting to get added to the mailing list.
|
| AutoResponder |
Automatic email responder ( ex: 'Out of Office' or 'On Vacation') |
| AddressChange |
The recipient has requested an address change. |
| DnsError |
A temporary DNS error. |
| ChallengeVerification |
The bounce is a challange asking for verification you actually sent the
email. Typcial challenges are made by Spam Arrest, or MailFrontier
Matador |
| SpamNotification |
The message was delivered, but was either blocked by the user, or classified
as spam, bulk mail, or had rejected content. |
| OpenRelayTest |
The NDR is actually a test email message to see if the mail server is an
open relay. |
| Unknown |
Unable to classify the NDR |
| SoftBounce |
Unable to temporarily deliver message (i.e. mailbox full, account disabled,
exceeds quota, out of disk space) |
| VirusNotification |
The bounce is actually a virus notification warning about a virus/code
infected message.
|